package com.bilgeadam.hibernate.model.entity;

import javax.persistence.Access;
import javax.persistence.AccessType;
import javax.persistence.Column;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

/**
 * 
 * @author Bora SAYINER
 * @since Nov 21, 2014 3:54:07 PM
 * @version 1.0.0
 */
@MappedSuperclass
public abstract class AbstractEntity<T> implements GenericEntity<T> {

	private T id;

	@Id
	@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQ_GEN")
	@Access(AccessType.FIELD)
	@Column(name = "ID")
	@Override
	public T getId() {
		return id;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((id == null) ? 0 : id.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj) return true;
		if (obj == null) return false;
		if (getClass() != obj.getClass()) return false;
		AbstractEntity<?> other = (AbstractEntity<?>) obj;
		if (id == null) {
			if (other.id != null) return false;
		} else if (!id.equals(other.id)) return false;
		return true;
	}

	@Override
	public String toString() {
		return "AbstractEntity [id=" + id + "]";
	}

}
